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Matches 1 - 50 out of 10,372

Document Document Title
WO/2018/021248A1
Provided is an auxiliary burner for an electric furnace, the burner being capable of increasing and homogenizing the heating effect of iron scrap by suitably and efficiently burning solid fuel along with gas fuel. This auxiliary burner 1...  
WO/2018/007721A1
Method for operating a furnace 1, comprising consecutive cycles consisting of a heating step, a stopping step and a restarting step linking the stopping step and the subsequent heating step, wherein at least one fluid (40) selected from ...  
WO/2017/221118A1
Disclosed herein is internally refractory and insulation lined furnace with a reinforcement anchor assembly attached to the outer surface of the shell of the furnace. Also disclosed herein is a method of repairing a furnace refractory li...  
WO/2017/220726A1
The invention relates to an electric reduction device with an electric reduction furnace (100) for preparing feedstock and with at least one transformer (200) for providing a three-phase supply voltage (R, S, T). In an elongated furnace ...  
WO/2017/212116A1
The present invention relates to an arc furnace bottom construction for maintaining the outer surface temperature of the bottom construction essentially at least on the lower part of the arc furnace essentially close to the temperature s...  
WO/2017/206595A1
A feeder device utilized in an electric arc furnace (1), and a flue gas and temperature control method. The feeder device comprises a sealed feeding chute (5) having an outlet sealedly communicating with a side wall of the electric arc f...  
WO/2017/201172A1
A furnace stave comprising a plurality of internal channels or conduits for circulating cooling fluid through the stave; an inlet and an outlet channel associated with each internal channel or conduit; wherein one of the internal channel...  
WO/2017/200677A3
The present application provides a heat exchange assembly for exchanging heat between a coolant and a gaseous medium. The heat exchange assembly may include an outer jacket, a number of gas tubes positioned within the outer jacket, and a...  
WO/2017/194462A1
The invention relates to the production of liquid melts, wherein - a bulk material with a grain size of less than 5 mm is provided, - the bulk material is fed to a preheater and is preheated to a temperature of at least 500°C, - the bul...  
WO/2017/190185A1
A smelting vessel includes a plurality of heat pipes (21) positioned in a refractory lining of at least a part of the hearth (9) for cooling at least a part of the refractory lining. At least one of the heat pipes includes (a) a liquid p...  
WO/2017/178608A1
Blowing lance nozzle comprising a central stirring gas-supply tube (2), an inner coolant-inlet tube (5), an outer coolant-outlet tube (10) closed, at one end facing the bath, by a third front wall (12), a heat exchange space (16), and a ...  
WO/2017/174731A1
The present invention relates to a pharmaceutical formulation for vaginal administration, wherein the formulation comprises a pharmaceutical acceptable excipient and glucono δ-lactone,wherein the glucono δ-lactoneis present in an amoun...  
WO/2017/176700A1
A molten material apparatus can include a container including a wall at least partially defining a containment area and an opening extending through the wall. The molten material apparatus can include a protective sleeve mounted at least...  
WO/2017/171822A1
A catalytic heating system for heating a beverage or food that comprises: a container for containing the beverage or food and a catalytic combustion assembly for heating the container, with the catalytic combustion assembly comprising a ...  
WO/2017/165802A1
A method for providing a region of inert gas around the electrodes in an electric arc furnace is provided. This electric arc furnace includes consumable graphite electrodes, a melting zone, and at least one lance including an inlet and a...  
WO/2017/109543A1
A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor...  
WO/2017/111190A1
Disclosed is a DC electric furnace, which is an electric furnace using a DC electrode, comprising: a body having a bottom surface, which has a taphole formed thereon, and the body providing an inner space, in which scraps are inserted; a...  
WO/2017/109657A1
A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor...  
WO/2017/098446A1
TH!S invention relates to a method of operating a top submerged Iance furnace, and more particularly but not exclusively to a method of coating an end of a Iance of a top submerged lance furnace with a slag layer, as well as a method of ...  
WO/2017/093378A1
The present invention concerns a method and an apparatus for making a mineral melt comprising a cyclone furnace and a separating cyclone, said apparatus further comprising a device for supplying pre-heated particulate mineral material fr...  
WO/2017/093274A1
The invention relates to a self-baking electrode (1) for a smelting/reduction oven and to a method for determining the baking status of such an electrode (1) which has a hollow cylindrical sleeve (10), an electrode paste (20) filled into...  
WO/2017/071312A1
Disclosed are a steel scrap preheating-type electric arc furnace and a method for improving a heating cold area of a side wall charging electric arc furnace. The electric arc furnace comprises an electric arc furnace body (1) and an obli...  
WO/2017/074631A1
A replacement product for a portion of a castable refractory surface contains a precast refractory piece with accommodation for an adjustable positioning structure for conforming the working surface of the precast refractory piece to the...  
WO/2017/065701A1
A furnace as described in this invention comprises a temperature regulating portion to assist in melting a non-ferrous material, such as an aluminium, and to reserve said material for the subsequent casting or injection molding procedure...  
WO/2017/048323A1
Multi-hearth roasters or kilns in metal recycling processes to clean and prepare metal scrap for melt down or other recycling processes. Multi-hearth roasters include multiple heating zones that may be held at different temperatures, pre...  
WO/2017/046453A1
The invention relates to a method and to an arrangement for monitoring characteristics of a furnace process in a furnace space (2) limited by a furnace shell (3) of a metallurgical furnace (4). The arrangement comprises a process monitor...  
WO/2017/046451A1
The invention relates to a method and to an arrangement for adjusting characteristics of a furnace process in a furnace space (2) limited by a furnace shell (3) of a metallurgical furnace (4). The arrangement comprises an injection unit ...  
WO/2017/048523A1
A system and method for sensing the melt level of an ingot and/or molten material within one or more of a melting hearth, a refining hearth, tundish, and/or a casting mold within a furnace system. One or more laser melt height systems is...  
WO/2017/024378A1
An apparatus and a process for the production of high purity silicon from silica containing material such as quartz or quartzite, using a vacuum electric arc furnace, are disclosed.  
WO/2017/009731A1
This disclosure includes an electric arc furnace including a body comprising an eccentric bottom tap-hole (EBT) which connects an inner surface of the body to an outer surface of the body, and a tilting device which tilts the body of the...  
WO/2017/005466A1
The invention relates to a melt metallurgical furnace (1) for melting metal material (2), in particular scrap metal. The furnace (1) comprises at least one burner (3) with which heat can be supplied into a receiving area (4) for the meta...  
WO/2017/000935A1
The invention relates to a conversion system for an electric arc furnace (EAF), comprising a hearth part, a water-cooled, substantially annular, cylindrical wall as an upper furnace and a cover, which can be placed onto the latter and ha...  
WO/2016/198195A1
The invention relates to a refractory ceramic product, the use of such a product, an electric arc furnace with a tapping channel, a method for filling the tapping channel of an electric arc furnace and a batch composition for producing a...  
WO/2016/191842A1
A double-face panel is disclosed, with one operation face and one safety face, for use in an electric arc furnace, more specifically, a double panel in which the two faces comprise independent water circuits and fulfil independent functi...  
WO/2016/191861A1
It is proposed herein to employ thyristor firing angles as a fast prediction of flicker in power supply for an electric arc furnace. It is further proposed to actively modify operating variables for the electric arc furnace to maintain t...  
WO/2016/194910A1
The purpose of the present invention is to provide a technology for melting a conductive metal reliably and quickly. In the present invention a flow path has an inlet into which a conductive molten metal is introduced from the outside, a...  
WO/2016/183672A1
A method for determining a length parameter of an electrode during operation of an electric arc furnace. An internal duct extends through the length of the electrode and is open at its lower end. A waveguide having a solid core is receiv...  
WO/2016/169780A1
A furnace comprising a tank (1, 31 ) having outer (5) and inner (5') walls defining a closed canal. It is configured to be filled with molten metal which will circulate along said closed canal continuously. The closed canal comprises: at...  
WO/2016/166189A1
The present invention concerns a lance for top injection of a fluid in metallurgical vessels that is less prone to cracking and comprising: (a) an inner tube (1), (b) a refractory sheath (2) surrounding the inner tube (1), (c) an anchori...  
WO/2016/165926A1
The invention relates to a cooler (1) for cooling hot bulk goods (17), which cooler has a grate surface (16) for holding the hot bulk goods (17) to be treated, preferably iron ore sinter. The problem addressed by the invention is that of...  
WO/2016/132160A1
The invention relates to the field of metallurgy and can be used in the making of steel in a single installation that encompasses all of the stages of the making and refining of steel as well as the casting of steel from the installation...  
WO/2016/131097A1
A method of removing a blockage in a solids injection lance under normal operating conditions of a direct smelting vessel is disclosed. The direct smelting vessel contains a bath of molten metal and slag and the solids injection lance ex...  
WO/2016/133551A1
An electric induction furnace for melting and holding a reactive metal or alloy is provided with an upper furnace vessel, an induction coil positioned below the upper furnace vessel, and a melt-containing vessel positioned inside the ind...  
WO/2016/120943A1
In the present invention, in a method in which iron scrap is melted in an electric furnace provided with an auxiliary burner to obtain molten iron, iron scrap is efficiently heated or melted using the auxiliary burner. When heating and m...  
WO/2016/120349A1
Continuous basalt fibers are produced by melting basalt rock in a submerged combustion melter, and by forming said melt into continuous basalt fibers.  
WO/2016/104228A1
[Problem] To provide: a method for melting a conductive metal in which little power is consumed and little heat is generated, maintenance is simplified, and the metal is not easily affected by heat; and a melting furnace. [Solution] A di...  
WO/2016/102629A1
Process and installation for melting vitrifiable material whereby vitrifiable material is melted in a flame-fired furnace (1) equipped with electric boost electrodes (4), whereby heat is recovered from hot flue gas (7) evacuated from the...  
WO/2016/102621A1
Process for melting vitrifiable material in a flame-fired melting furnace (1), whereby, during a first-high-temperature heat recovery stage, at least one combustion reactant (31, 32) is preheated through indirect heat exchange with the h...  
WO/2016/093197A1
This operation method for electric resistance furnaces includes: defining a plurality of management categories corresponding to temperatures detected by a temperature sensor before starting operation of an electric resistance furnace alo...  
WO/2016/086935A1
The invention relates to a pre-heating device of an electric-arc furnace system, comprising: a container which has an evacuation opening situated at the top and adjoining a charging zone; a discharge and induction opening situated at the...  

Matches 1 - 50 out of 10,372